Answers

Add 10/84 and 9/14

10/84 + 9/14 is 16/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 14 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   10/84 = 10 × 1/84 × 1 = 10/84
3. Likewise, for the 2nd fraction, since 14 × 6 = 84,
   9/14 = 9 × 6/14 × 6 = 54/84
4. Add the two like fractions:
   10/84 + 54/84 = 10 + 54/84 = 64/84
5. 64/84 simplified gives 16/21
6. So, 10/84 + 9/14 = 16/21

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